New Language: Ada

From-SVN: r45960

1 files changed, 75 insertions, 0 deletions

diff --git a/gcc/ada/uintp.h b/gcc/ada/uintp.h
new file mode 100644
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+++ b/gcc/ada/uintp.h
@@ -0,0 +1,75 @@
+/****************************************************************************
+ *                                                                          *
+ *                         GNAT COMPILER COMPONENTS                         *
+ *                                                                          *
+ *                                U I N T P                                 *
+ *                                                                          *
+ *                              C Header File                               *
+ *                                                                          *
+ *                            $Revision: 1.1 $
+ *                                                                          *
+ *          Copyright (C) 1992-2001, Free Software Foundation, Inc.         *
+ *                                                                          *
+ * GNAT is free software;  you can  redistribute it  and/or modify it under *
+ * terms of the  GNU General Public License as published  by the Free Soft- *
+ * ware  Foundation;  either version 2,  or (at your option) any later ver- *
+ * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
+ * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License *
+ * for  more details.  You should have  received  a copy of the GNU General *
+ * Public License  distributed with GNAT;  see file COPYING.  If not, write *
+ * to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, *
+ * MA 02111-1307, USA.                                                      *
+ *                                                                          *
+ * GNAT was originally developed  by the GNAT team at  New York University. *
+ * It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). *
+ *                                                                          *
+ ****************************************************************************/
+
+/* This file corresponds to the Ada package specification Uintp. It was
+   created manually from the files uintp.ads and uintp.adb  */
+
+/* Support for universal integer arithmetic */
+
+struct Uint_Entry
+{
+  Pos Length;
+  Int Loc;
+};
+
+/* See if a Uint is within the range of an integer.  */
+#define UI_Is_In_Int_Range  uintp__ui_is_in_int_range
+extern Boolean UI_Is_In_Int_Range	PARAMS((Uint));
+
+/* Obtain Int value from Uint input. This will abort if the result is
+   out of range.  */
+#define UI_To_Int uintp__ui_to_int
+extern Int UI_To_Int			PARAMS((Uint));
+
+/* Convert an Int into a Uint.  */
+#define UI_From_Int uintp__ui_from_int
+extern Uint UI_From_Int			PARAMS((int));
+
+/* Similarly, but return a GCC INTEGER_CST.  Overflow is tested by the
+   constant-folding used to build the node.  TYPE is the GCC type of the
+   resulting node.  */
+extern tree UI_To_gnu			PARAMS((Uint, tree));
+
+/* Universal integers are represented by the Uint type which is an index into
+   the Uints_Ptr table containing Uint_Entry values.  A Uint_Entry contains an
+   index and length for getting the "digits" of the universal integer from the
+   Udigits_Ptr table.
+
+   For efficiency, this method is used only for integer values larger than the
+   constant Uint_Bias.  If a Uint is less than this constant, then it contains
+   the integer value itself.  The origin of the Uints_Ptr table is adjusted so
+   that a Uint value of Uint_Bias indexes the first element.  */
+
+#define Uints_Ptr (uintp__uints__table - Uint_Table_Start)
+extern struct Uint_Entry *uintp__uints__table;
+
+#define Udigits_Ptr uintp__udigits__table
+extern int *uintp__udigits__table;
+
+#define Uint_0 (Uint_Direct_Bias + 0)
+#define Uint_1 (Uint_Direct_Bias + 1)